4.1.9: Development + use of drugs

Question 1

what is an antibiotic?

Answer 1

a chemical which prevents the growth of microorganisms, variations include antibacterial and anti fungal

Question 2

what is the purpose of creating new drugs?

Answer 2

the emerging of new diseases, there are still disease with no cure/treatment, some antibiotics are becoming less effective

Question 3

which antibiotic was discovered accidentally?

Answer 3

penicillin

Question 4

what are traditional remedies and give some examples?

Answer 4

plants or extracts used in medicine, morphine uses the sap from unripe poppy seeds, willow-bark extract and the addition of an acetyl group led to the development of aspirin and ibuprofen.

Question 5

how have animals made use of plants with medical properties?

Answer 5

some animals rub citrus oils on their coats as insecticides and antiseptic in order to prevent insect bites and infection, birds line their nests with medical leaves to protect chicks from mites